[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8278471: Remove unreached rules in AddNode::IdealIL

[Jie Fu]

Changeset: f6fbb5a8
Author:    Zhiqiang Zang <zhiqiang.zang at utexas.edu>
Committer: Jie Fu <jiefu at openjdk.org>
Date:      2021-12-16 03:57:29 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/f6fbb5a80cfe630e76917397d21649709485d31d

8278471: Remove unreached rules in AddNode::IdealIL

Reviewed-by: jiefu, kvn

! src/hotspot/share/opto/addnode.cpp
! src/hotspot/share/opto/subnode.cpp
+ test/hotspot/jtreg/compiler/c2/irTests/TestSpecialCasesOf_AMinusB_Plus_CMinusD_InAddIdeal.java
! test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java